TABLE 6.
Regressions with Quadratics in Assets or Income
| Dep var: BMI | (1) pooled | (2) BW | (3) BM | (4) WW | (5) WM | (6) FE (B) | (7) RE (B) |
|---|---|---|---|---|---|---|---|
| 1998 DHS | |||||||
| asset | 1.158*** (0.116) | 1.078*** (0.176) | 0.799*** (0.166) | 3.121 (2.381) | 3.244** (1.406) | 1.086*** (0.114) | |
| asset2 | −0.362*** (0.0807) | −0.643*** (0.175) | 0.0981 (0.180) | −1.006 (0.661) | −0.824* (0.437) | −0.394*** (0.115) | |
| joint test (p value) | 0.0000 | 0.0000 | 0.0000 | 0.2849 | 0.0565 | 0.0000 | |
| Turning pt | 1.601 (0.357) | 0.838 (0.258) | −4.073 (7.272) | 1.551 (0.374) | 1.968 (0.394) | N.A. | 1.380 (0.437) |
| prop where slope is + | 0.91 | 0.88 | 1.00 | 0.44 | 0.66 | 0.96 | |
| 2008 NIDS | |||||||
| loghhincome | 1.462 (0.986) | −0.0610 (1.383) | −3.026*** (1.090) | 3.095 (5.844) | 7.736 (7.509) | −0.379 (0.796) | |
| loghhinc2 | −0.0639 (0.0642) | 0.0371 (0.0902) | 0.232*** (0.0717) | −0.229 (0.310) | −0.329 (0.415) | 0.0742 (0.0513) | |
| joint test (p value) | 0.0002 | 0.0180 | 0.0001 | 0.0479 | 0.0077 | 0.0000 | |
| Turning pt | 11.43 (3.945) | 0.82 (16.64) | 6.51 (0.450) | 6.75 (3.722) | 11.77 (3.588) | N.A. | 2.553 (3.615) |
| prop where slope is + | 0.996 | 1.000 | 0.906 | 0.001 | 1.000 | 1.0000 | |
Notes: Other covariates included in the regressions are the same as in Tables 4 and 5. Please note that the fixed effects regression in column 6 cannot be estimated as assets and incomes do not differ within households. The column is still shown to facilitate comparisons across tables.
***
p < 0.01,
**
p < 0.05,
*
p < 0.1.
The full results are contained in the conference paper version of this article (Wittenberg, 2011b).
BW, black women; BM, black men; WW, white women; WM, white men.
FE (B)—Fixed Effects Regression on Black subpopulation; RE (B)—Random Effects Regression on Black subpopulation.